Dual Face Interaction in Handheld Augmented Reality Environments. - Shunsuke Asai; Masahito Hirakawa (ISM, 2009)

Enhancing Interactivity in Handheld AR Environments. - Masahito Hirakawa; Shunsuke Asai; Kengo Sakata; Shuhei Kanagu; Yasuhiro Sota; Kazuhiro Koyama (Handbook of Augmented Reality, 2011)